Tracksmith Horizon Striped Long Sleeve Navy Blue Ivory Size S. Rare discontinued style! This running long sleeve is soft, moisture wicking and whisper light. Who says a technical top needs to feel like one? Made from a DriRelease fabric that dries four times faster than cotton, our new Horizon Long Sleeve delivers the comfort of a worn-in tee with all the performance hallmarks you need for mileage. Plus, the top's classic stripes work just as well with jeans as they do rolling hard on a tempo run